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53 lines
1.2 KiB
PHP
53 lines
1.2 KiB
PHP
--TEST--
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Test strncmp() function: usage variations - different inputs(single quoted strings)
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--FILE--
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<?php
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/* Prototype : int strncmp ( string $str1, string $str2, int $len );
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* Description: Binary safe case-sensitive string comparison of the first n characters
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* Source code: Zend/zend_builtin_functions.c
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*/
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/* Test strncmp() function with different strings for 'str1', 'str2' and considering case sensitive */
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echo "*** Test strncmp() function: with different input strings ***\n";
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$strings = array(
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'Hello, World',
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'hello, world',
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'HELLO, WORLD',
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'Hello, World\n'
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);
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/* loop through to compare each string with the other string */
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$count = 1;
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for($index1 = 0; $index1 < count($strings); $index1++) {
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echo "-- Iteration $count --\n";
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for($index2 = 0; $index2 < count($strings); $index2++) {
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var_dump( strncmp( $strings[$index1], $strings[$index2], (strlen($strings[$index1]) + 1) ) );
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}
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$count ++;
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}
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echo "*** Done ***\n";
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?>
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--EXPECTF--
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*** Test strncmp() function: with different input strings ***
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-- Iteration 1 --
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int(0)
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int(-1)
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int(1)
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int(-1)
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-- Iteration 2 --
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int(1)
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int(0)
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int(1)
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int(1)
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-- Iteration 3 --
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int(-1)
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int(-1)
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int(0)
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int(-1)
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-- Iteration 4 --
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int(2)
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int(-1)
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int(1)
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int(0)
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*** Done ***
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